/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraComponent.h
Sets a Niagara Vector2 parameter by name, overriding locally if necessary.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Set Niagara Variable (Vector2)", Keywords="user parameter variable vector")) void SetVariableVec2 ( [FName](API\Runtime\Core\UObject\FName) InVariableName, FVector2D InValue )